Home / 117,086.35-175,628.81-38,200.63

Finding the Fourth Proportional to 117,086.35, 175,628.81 and 38,200.63

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Solution

The fourth proportional to 117,086.35, 175,628.81 and 38,200.63 is: 57,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,086.35 : 175,628.81 = 38,200.63 : x
  2. Step 2: Convert to fraction form
    117,086.35/175,628.81 = 38,200.63/x
  3. Step 3: Cross multiply
    117,086.35x = 175,628.81 × 38,200.63
  4. Step 4: Simplify right side
    117,086.35x = 6,709,130,997.15
  5. Step 5: Solve for x
    x = 6,709,130,997.15/117,086.35
  6. Step 6: Final answer
    x = 57,300.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.